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NameError: global name 'xrange' is not defined in Python 3
...ou do know what your are doing and are actively making a Python 2 codebase compatible with Python 3, you can bridge the code by adding the global name to your module as an alias for range. (Take into account that you may have to update any existing range() use in the Python 2 codebase with list(rang...
UPDATE multiple tables in MySQL using LEFT JOIN
... )
See the article in my blog for performance details:
Finding incomplete orders: performance of LEFT JOIN compared to NOT IN
Unfortunately, MySQL does not allow using the target table in a subquery in an UPDATE statement, that's why you'll need to stick to less efficient LEFT JOIN synta...
Delete text in between HTML tags in vim?
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Hibernate lazy-load application design
I tend to use Hibernate in combination with Spring framework and it's declarative transaction demarcation capabilities (e.g., @Transactional ).
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Difference between Django's annotate and aggregate methods?
...ias51 that's really related to the original question, so I don't think the comments on an eight-year-old question is the best place to ask. If you want to check when the queries run, then you can check connection.queries. Hint: check whether it's the book = q[0] or ` book.num_authors` that causes th...
How to create a new java.io.File in memory?
...my opinion. However i think that an in-memory filesystem (mentioned in the comments of Andreas’ answer) could also be mentioned, because if you cant for some reason write to the hard-drive, then that could be a way around it.
– FableBlaze
Jan 17 at 12:19
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VIM ctrlp.vim plugin: how to rescan files?
I have come across the awesome ctrlp.vim plugin . It is a good alternative to the Command-T plugin which I have used before. What I did not like about Command-T is that it would take about 20-30 seconds to rescan files when it is invoked for the first time after starting vim.
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How to push new branch without history
...w_branch>, started from <start_point> and switch to it. The first commit made on this new branch will have no parents and it will be the root of a new history totally disconnected from all the other branches and commits.
The index and the working tree are adjusted as if you had previously r...
Copy all files with a certain extension from all subdirectories
... files) from all subdirectories to another directory. I have the following command:
5 Answers
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Cmake vs make sample codes?
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Here is a CMakeLists.txtthat does (almost) exactly the same, with some comments to underline the
similarities to the Makefile:
#CMakeLists.txt
cmake_minimum_required(VERSION 2.8) # stuff not directly
project(example) # related to buil...